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Max. Marks: 75
Note: Answer all questions from Part A. Answer any five questions from Part B.
PART ? A (25 Marks)
1 Represent Calomel electrode and write the electrodic reaction for reduction process
3
2 Draw the conductometric titration plot of weak acid against strong base and explain
the graph.
3 What is waterline corrosion? Explain.
4 Name three substances used for sterilization of water. 2
5 Define the term "functionality" of monomers. Explain its signifiCance with a suitable
example,
2
7 Define octane number. How will you improve the anti-knocking value of fuel? 3
8 Classify rocket fuels. 2
9 Define phase and component. 2
10 Classify lubricants and give one example each.. 3
-
-
-
4
50?.Marks)
11 a) For the cell reaction Z
n
(s)+Fe
-- -Zn.
+
4;FA(s). Calculate the reactive concentration of
(s) (s)
2+
and Fe
2+
at which thaEoVerall cell E.M.F. becomes zero.
b) Explain hydrogen --
.,
Ioxygen.fuel cell. 4
12 a) Define metallic corrosion. Explain electrochemical theory of corrosion. 6
1 3 a) Differentiate between homopolymer and co-polymer. 4
b) What are conducting polymers? Discuss the applications of conducting polymers. 6
14 a) What are chemical fuels? How are they classified? Give suitable examples for
each class.
methane = 30%, ethane = 11%, ethylene = 4.5%, butane = 2.5%, CO = 6.0%,
CO2 = 8%, 02 = 2% and N2 = 12%. Calculate the air fuel ratio and volumetric
analysis of dry products of combustion using 40% excess air.
6
5
b) Draw a neat diagram of water system and label the parts. Calculate the degree of
freedom at triple point.
5
4
b) Differentiate between potentiometric titrations and pH metric titrations by taking a
suitable example like HC! Vs NaOH.
6
Explain.
5
b) Explain the mechanism of extreme-pressure lubrication.
5
Max. Marks: 75
Note: Answer all questions from Part A. Answer any five questions from Part B.
PART ? A (25 Marks)
1 Represent Calomel electrode and write the electrodic reaction for reduction process
--- Content provided by FirstRanker.com ---
and mention the S.R.P. value of the electrode.3
2 Draw the conductometric titration plot of weak acid against strong base and explain
the graph.
3 What is waterline corrosion? Explain.
--- Content provided by FirstRanker.com ---
34 Name three substances used for sterilization of water. 2
5 Define the term "functionality" of monomers. Explain its signifiCance with a suitable
example,
2
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6 Explain the types of composite materials. 37 Define octane number. How will you improve the anti-knocking value of fuel? 3
8 Classify rocket fuels. 2
9 Define phase and component. 2
10 Classify lubricants and give one example each.. 3
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PART ? B (5x10-
-
-
4
--- Content provided by FirstRanker.com ---
-50?.Marks)
11 a) For the cell reaction Z
n
(s)+Fe
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2+,-- -Zn.
+
4;FA(s). Calculate the reactive concentration of
(s) (s)
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Zn2+
and Fe
2+
at which thaEoVerall cell E.M.F. becomes zero.
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E -0.440 V an = -0.760 V. 6b) Explain hydrogen --
.,
Ioxygen.fuel cell. 4
12 a) Define metallic corrosion. Explain electrochemical theory of corrosion. 6
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b) What are the characteristics of a paint? Name the various constituents of paints. 41 3 a) Differentiate between homopolymer and co-polymer. 4
b) What are conducting polymers? Discuss the applications of conducting polymers. 6
14 a) What are chemical fuels? How are they classified? Give suitable examples for
each class.
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b) A gaseous fuel has the following composition by volume: H2 = 25%,methane = 30%, ethane = 11%, ethylene = 4.5%, butane = 2.5%, CO = 6.0%,
CO2 = 8%, 02 = 2% and N2 = 12%. Calculate the air fuel ratio and volumetric
analysis of dry products of combustion using 40% excess air.
6
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15 a) Write the principles of Green Chemistry.5
b) Draw a neat diagram of water system and label the parts. Calculate the degree of
freedom at triple point.
5
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16 a) Derive Nernst equation.4
b) Differentiate between potentiometric titrations and pH metric titrations by taking a
suitable example like HC! Vs NaOH.
6
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17 a) How do you determine the permanent hardness of water by EDTA method?Explain.
5
b) Explain the mechanism of extreme-pressure lubrication.
5
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